The American Academy of Pediatricians recommends that children get vaccinated against COVID-19 if they’re eligible. While children...
Persistent symptoms of illness despite recovery from an initial infection have been documented by scientists following various...
In October 2021, the U.S. Food and Drug Administration authorized the emergency use of the Pfizer-BioNTech COVID-19 vaccine for...
Booster shots aim to bolster waning COVID-19 immunity over time. Although U.S. public health authorities are considering a change...
Antibody-dependent enhancement (ADE) is a mechanism that occurs when antibodies can't neutralize a virus but instead increase...
The CDC’s mask guidelines changed throughout the pandemic as researchers collected more information about both the virus SARS-CoV-2 and the effectiveness of vaccines....
To date, hundreds of millions of people around the world have received at least one dose of COVID-19 vaccine. Review of clinical trial data by regulatory...
BioNTech/Pfizer and ModernaBoth COVID-19 vaccines demonstrated a high level of safety and efficacy during clinical trials in order to receive emergency use authorization...
One key observation in the study was that cases were more than twice as likely as controls to have been to a restaurant in the 14...